File-copy from v4.4.100

This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Please refer to that tree for all history prior to this point.

Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/include/uapi/linux/net.h b/include/uapi/linux/net.h
new file mode 100644
index 0000000..9457239
--- /dev/null
+++ b/include/uapi/linux/net.h
@@ -0,0 +1,57 @@
+/*
+ * NET		An implementation of the SOCKET network access protocol.
+ *		This is the master header file for the Linux NET layer,
+ *		or, in plain English: the networking handling part of the
+ *		kernel.
+ *
+ * Version:	@(#)net.h	1.0.3	05/25/93
+ *
+ * Authors:	Orest Zborowski, <obz@Kodak.COM>
+ *		Ross Biro
+ *		Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *
+ *		This program is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ */
+#ifndef _UAPI_LINUX_NET_H
+#define _UAPI_LINUX_NET_H
+
+#include <linux/socket.h>
+#include <asm/socket.h>
+
+#define NPROTO		AF_MAX
+
+#define SYS_SOCKET	1		/* sys_socket(2)		*/
+#define SYS_BIND	2		/* sys_bind(2)			*/
+#define SYS_CONNECT	3		/* sys_connect(2)		*/
+#define SYS_LISTEN	4		/* sys_listen(2)		*/
+#define SYS_ACCEPT	5		/* sys_accept(2)		*/
+#define SYS_GETSOCKNAME	6		/* sys_getsockname(2)		*/
+#define SYS_GETPEERNAME	7		/* sys_getpeername(2)		*/
+#define SYS_SOCKETPAIR	8		/* sys_socketpair(2)		*/
+#define SYS_SEND	9		/* sys_send(2)			*/
+#define SYS_RECV	10		/* sys_recv(2)			*/
+#define SYS_SENDTO	11		/* sys_sendto(2)		*/
+#define SYS_RECVFROM	12		/* sys_recvfrom(2)		*/
+#define SYS_SHUTDOWN	13		/* sys_shutdown(2)		*/
+#define SYS_SETSOCKOPT	14		/* sys_setsockopt(2)		*/
+#define SYS_GETSOCKOPT	15		/* sys_getsockopt(2)		*/
+#define SYS_SENDMSG	16		/* sys_sendmsg(2)		*/
+#define SYS_RECVMSG	17		/* sys_recvmsg(2)		*/
+#define SYS_ACCEPT4	18		/* sys_accept4(2)		*/
+#define SYS_RECVMMSG	19		/* sys_recvmmsg(2)		*/
+#define SYS_SENDMMSG	20		/* sys_sendmmsg(2)		*/
+
+typedef enum {
+	SS_FREE = 0,			/* not allocated		*/
+	SS_UNCONNECTED,			/* unconnected to any socket	*/
+	SS_CONNECTING,			/* in process of connecting	*/
+	SS_CONNECTED,			/* connected to socket		*/
+	SS_DISCONNECTING		/* in process of disconnecting	*/
+} socket_state;
+
+#define __SO_ACCEPTCON	(1 << 16)	/* performed a listen		*/
+
+#endif /* _UAPI_LINUX_NET_H */